What type of sensor is used to allow a smart phone screen respond to touch?
A) GPS
B) temperature
C) capacitive
D) passive infrared

Question

Quizplus · Accepted Answer

Capacitive sensors are used in touchscreens, which work by measuring changes in capacitance, which occur when a conductive object, such as a finger, comes into contact with the surface of the screen. This allows the phone to detect where the user is touching and respond accordingly. GPS, temperature, and passive infrared sensors are not used for this purpose.

What Type of Sensor Is Used to Allow a Smart